Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635404 | Structure and process method of gamma gate for HEMT | Sang Soo Choi, Jim H. Lee, Doh Hoon Kim, Hai Bin Chung, Dae-Yong Kim | 2003-10-21 |
| 6542317 | Optical system for crystallization tool | Doh Hoon Kim, Sang Soo Choi, Hai Bin Chung, Dae-Yong Kim | 2003-04-01 |
| 6101047 | Catadioptric optical system for lithography | Hai Bin Chung, Jong Soo Kim, Doh Hoon Kim, Sang Soo Choi, Hyung-Joun Yoo | 2000-08-08 |
| 6057970 | Apparatus for enhancing depth of focus using birefringent material | Doh Hoon Kim, Sang Soo Choi, Hai Bin Chung, Bo Woo Kim | 2000-05-02 |